Gel-liquid extraction and separation of U(VI), Th(IV), Ce(III), and Co(II)
Journal Article
·
· Sep. Sci. Technol.; (United States)
The gel-liquid extraction of U(VI), Th(IV), Ce(III), and Co(II) has been investigated in the 0.01 to 2 M HNO/sub 3/ range using a gel prepared by swelling styrene divinylbenzene with di-(2-ethylhexyl)phosphoric acid. Obtained results indicate that all of the tested cations can be extracted and that the extraction coefficients increase in the order Ce(III) < Co(II) < Th(IV) < U(VI) and generally decrease with acidity. Under suitable conditions, separation of Th(IV), Ce(III), or Co(II) from U(VI) or of Th(IV) from Ce(III) can be achieved. Kinetic studies indicate that the extraction process is controlled by a progressive shell sorption mechanism. 10 figures, 3 tables
- Research Organization:
- Atomic Energy Establishment, Cairo, Egypt
- OSTI ID:
- 6870445
- Journal Information:
- Sep. Sci. Technol.; (United States), Journal Name: Sep. Sci. Technol.; (United States) Vol. 15:7; ISSN SSTED
- Country of Publication:
- United States
- Language:
- English
Similar Records
COMPARATIVE EXTRACTION OF U(VI) BY NEUTRAL AND MONOACIDIC PHOSPHATES AND PHOSPHONATES
Elution behavior of metal ions with mixed glycine-nitric acid eluents in Dowex 50W-X8 column: separation of Th(IV), Ce(IV), Bi(III), Fe(III), and Al(III)
Extraction of U(VI), Pu(IV) and Th(IV) by some trialkyl phosphates
Technical Report
·
Wed Jan 31 23:00:00 EST 1962
·
OSTI ID:4732784
Elution behavior of metal ions with mixed glycine-nitric acid eluents in Dowex 50W-X8 column: separation of Th(IV), Ce(IV), Bi(III), Fe(III), and Al(III)
Journal Article
·
Thu Dec 31 23:00:00 EST 1981
· Sep. Sci. Technol.; (United States)
·
OSTI ID:7084755
Extraction of U(VI), Pu(IV) and Th(IV) by some trialkyl phosphates
Journal Article
·
Mon Aug 01 00:00:00 EDT 1994
· Solvent Extraction and Ion Exchange; (United States)
·
OSTI ID:6996440
Related Subjects
050800 -- Nuclear Fuels-- Spent Fuels Reprocessing
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105* -- Separation Procedures
ACTINIDES
CERIUM
COBALT
COLLOIDS
DISPERSIONS
ELEMENTS
EXTRACTION
EXTRACTION APPARATUSES
EXTRACTION COLUMNS
GELS
HYDROGEN COMPOUNDS
INORGANIC ACIDS
ION EXCHANGE MATERIALS
KINETICS
MATERIALS
METALS
NITRIC ACID
ORGANIC COMPOUNDS
ORGANIC ION EXCHANGERS
ORGANIC POLYMERS
POLYMERS
POLYOLEFINS
POLYSTYRENE-DVB
RARE EARTHS
SEPARATION PROCESSES
SOLVENT EXTRACTION
SORPTION
SWELLING
THORIUM
TRANSITION ELEMENTS
URANIUM
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105* -- Separation Procedures
ACTINIDES
CERIUM
COBALT
COLLOIDS
DISPERSIONS
ELEMENTS
EXTRACTION
EXTRACTION APPARATUSES
EXTRACTION COLUMNS
GELS
HYDROGEN COMPOUNDS
INORGANIC ACIDS
ION EXCHANGE MATERIALS
KINETICS
MATERIALS
METALS
NITRIC ACID
ORGANIC COMPOUNDS
ORGANIC ION EXCHANGERS
ORGANIC POLYMERS
POLYMERS
POLYOLEFINS
POLYSTYRENE-DVB
RARE EARTHS
SEPARATION PROCESSES
SOLVENT EXTRACTION
SORPTION
SWELLING
THORIUM
TRANSITION ELEMENTS
URANIUM